Chair or similar article



FIG. 1 is a front perspective view of a chair or similar article showing my design;

FIG. 2 is a front view thereof;

FIG. 3 is a side view thereof;

FIG. 4 is a side view opposite to that shown in FIG. 3; and

FIG. 5 is a rear view thereof. 

The ornamental design for a chair or similar article, as shown and described. 